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DEVELOPMENT OF A METHODOLOGY FOR THE DERIVATION OF AQUATIC PLANT WATER QUALITY CRITERIA
Thursby, G. and M. Lewis. EPA 600-R-18-025, 69 pp, 2015
This report provides a means to evaluate small toxicity data sets to estimate the value of additional data. The method relies on the observed and expected ratio of toxicity values for the least and most sensitive species in each data set. The minimum data requirements are not recommended based on a fixed number or test species or a particular list of desirable species to include; instead, the recommendations rely on guidance for examining the overall quality and representativeness of the sensitivity distribution with any available data. The authors show that a reasonable estimate of the aquatic plant sensitivity distribution is possible using only the recommended FIFRA-5 aquatic plant species as a starting point. https://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=P100U7IV.txt
This report provides a means to evaluate small toxicity data sets to estimate the value of additional data. The method relies on the observed and expected ratio of toxicity values for the least and most sensitive species in each data set. The minimum data requirements are not recommended based on a fixed number or test species or a particular list of desirable species to include; instead, the recommendations rely on guidance for examining the overall quality and representativeness of the sensitivity distribution with any available data. The authors show that a reasonable estimate of the aquatic plant sensitivity distribution is possible using only the recommended FIFRA-5 aquatic plant species as a starting point. https://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=P100U7IV.txt
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